The HMC5883L is a triple-axis magnetometer compass, which uses I2C for communication. This ...
MQ7 - Carbon Monoxide Gas Sensor Module
Heating voltage: 5V ± 0.2V
Working current: 140mA
Loop voltage: 10V (maximum DC 15V)
Load resistance: 10K (adjustable)
Detection concentration range: 10-1000ppm
Clean air voltage: ≤1.5V
Response time: ≤1S (preheat 3-5 minutes)
Response time: ≤30S
Element power: ≤0.7W
Working temperature: -10 ~ 50 ℃ ...
This Carbon Monoxide (CO) gas sensor detects the concentrations of CO in the air and ouputs its reading as an analog voltage. The sensor can measure concentrations of 10 to 10,000 ppm.The sensor can operate at temperatures from -10 to 50°C and consumes less than 150 mA at 5V.
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